Deprotection of allylic esters, carbonates and carbamates cataly

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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260239A, 568830, 568885, 568884, 564458, 2602391, C07D50104, C07D49904

Patent

active

043149421

ABSTRACT:
An improved synthetic process for the removal of an allyl group in an allylic ester or an allyloxycarbonyl group in an allylic carbonate or carbamate by reaction with 2-ethylhexanoic acid or an alkali metal salt thereof and a catalytic amount of an organic-soluble palladium complex is disclosed herein.

REFERENCES:
Tetrahedron Letters 43 1970, pp. 3821-3824.
Chemical Communications 21 1970, pp. 1392-1393.
Atkins et al., Tetrahedron Letters 43 pp. 3821-3824, (1970).
Hata et al., Chemical Communications 21 pp. 1392-1393, (1970).
Jac S. 71 725 (1949.
J. Org. Chem. 38 3223 (1973).
Tsuji et al., Tetrahedron Letters 7 613-616 (1979).

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